Signature plate for execution of credit card slips



FIG. 1 is a top plan view of a signature plate for execution of credit card slips showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top end elevational view thereof; and,

FIG. 6 is a bottom end elevational view thereof. 

The ornamental design for a signature plate for execution of credit card slips, as shown and described. 